def test_ScaleAndShift_test_a():
preprocessing_queue = [preprocessing.ScaleAndShift()]
s = (
'[[{"x":232,"y":423,"time":1407885913983},'
'{"x":267,"y":262,"time":1407885914315},'
'{"x":325,"y":416,"time":1407885914650}],'
'[{"x":252,"y":355,"time":1407885915675},'
'{"x":305,"y":351,"time":1407885916361}]]'
)
a = HandwrittenData(s)
a.preprocessing(preprocessing_queue)
s = a.get_pointlist()
expectation = [
[
{"y": 1.0, "x": 0.0, "time": 0},
{"y": 0.0, "x": 0.2174, "time": 332},
{"y": 0.9565, "x": 0.5776, "time": 667},
],
[
{"y": 0.5776, "x": 0.1242, "time": 1692},
{"y": 0.5528, "x": 0.4534, "time": 2378},
],
]
assert testhelper.compare_pointlists(
s, expectation
), f"Got: {s}; expected {expectation}"
def test_ScaleAndShift_test_a_center():
preprocessing_queue = [preprocessing.ScaleAndShift(center=True)]
s = (
'[[{"y": 1.0, "x": -0.3655913978494625, "time": 0}, '
'{"y": 0.0, "x": -0.1482000935016364, "time": 332}, '
'{"y": 0.9565, "x": 0.21204835370333253, "time": 667}], '
'[{"y": 0.5776, "x": -0.24136779536499045, "time": 1692}, '
'{"y": 0.5528, "x": 0.08782475121886046, "time": 2378}]]'
)
a = HandwrittenData(s)
a.preprocessing(preprocessing_queue)
s = a.get_pointlist()
expectation = [
[
{"y": 1.0, "x": -0.2888198757763975, "time": 0},
{"y": 0.0, "x": -0.07142857142857142, "time": 332},
{"y": 0.9565, "x": 0.2888198757763975, "time": 667},
],
[
{"y": 0.5776, "x": -0.16459627329192547, "time": 1692},
{"y": 0.5528, "x": 0.16459627329192544, "time": 2378},
],
]
assert testhelper.compare_pointlists(
s, expectation
), f"Got: {s}; expected {expectation}"
def test_ScaleAndShift_test_simple_5():
preprocessing_queue = [preprocessing.ScaleAndShift()]
s = '[[{"x":42, "y":12, "time": 10}]]'
a = HandwrittenData(s)
a.preprocessing(preprocessing_queue)
s = a.get_pointlist()
expectation = [[{"x": 0, "y": 0, "time": 0}]]
assert s == expectation, f"Got: {s}; expected {expectation}"
def ScaleAndShift_test_simple_4():
preprocessing_queue = [preprocessing.ScaleAndShift()]
s = '[[{"x":0, "y":0, "time": 10}]]'
a = HandwrittenData(s)
a.preprocessing(preprocessing_queue)
s = a.get_pointlist()
expectation = [[{"x": 0, "y": 0, "time": 0}]]
assert s == expectation, "Got: %s; expected %s" % (s, expectation)